Code P0882: Malfunction of Power Supply System (Low) <Vehicles with AS&G system>
Code P0883: Malfunction of Power Supply System (high) <Vehicles with AS&G system>




DIAGNOSTIC FUNCTION


CVT-ECU monitors if power supply system is normal or not and judges the trouble.

JUDGEMENT CRITERIA




PROBABLE CAUSES




DIAGNOSTIC PROCEDURE


STEP 1. Check for short circuit in power supply line between the fusible link and the DC/DC converter connector


Q. Is the check result normal?

Go to Step 2.
Repair the connector(s) or wiring harness.

STEP 2. Check for short circuit in VIG1, VIG2 line between the DC/DC converter connector and the CVT-ECU connector.


Q. Is the check result normal?

Go to Step 3.
Repair the connector(s) or wiring harness.

STEP 3. Check for open circuit in GND1, GND2 line between the CVT-ECU connector and earth.


Q. Is the check result normal?

Go to Step 4.
Repair the wiring harness.

STEP 4. Symptom recheck after erasing diagnosis code


Q. Is the check result normal?

Intermittent malfunction
Replace CVT-ECU.